CN202355651U - Safety type puncture injection needle - Google Patents
Safety type puncture injection needle Download PDFInfo
- Publication number
- CN202355651U CN202355651U CN2011204129511U CN201120412951U CN202355651U CN 202355651 U CN202355651 U CN 202355651U CN 2011204129511 U CN2011204129511 U CN 2011204129511U CN 201120412951 U CN201120412951 U CN 201120412951U CN 202355651 U CN202355651 U CN 202355651U
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- puncture
- needle
- puncture needle
- pipe
- sleeve pipe
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Abstract
The utility model relates to a safety type puncture injection needle, comprising a puncture needle and a needle core. The puncture needle comprises a hollow puncture needle pipe and a hollow needle pipe base, and the front end of the puncture needle pipe is provided with an oblique incision. The needle core comprises a solid needle core rod and a solid needle core base. The front end of the needle core rod is provided with a diagonal plane. The needle core rod is sleeved by the puncture needle pipe, and the diagonal plane is on the same plane with the inclining incision. The puncture needle pipe is sleeved by a sleeve pipe. The front end of the sleeve pipe extends outside of the front end of the puncture needle pipe, and the rear end of the sleeve pipe is provided with a vertical slit. The safety type puncture injection needle is advantageous in that when MTX (methotrexate) is injected to a gestational sac suction and implantation site to treat caesarean scar pregnancy, the needle tip of the puncture needle pipe will not damage uterine mucosa and muscular layers since the puncture needle pipe is sleeved by a sleeve pipe, and operation safety can be improved; with a simple structure, the safety type puncture injection needle can reduce the expense of operation consumables and decrease operation cost.
Description
Technical field
This utility model relates to medical surgical instrument, specifically a kind of safety puncture injection pin that is used for cuing open palace product cicatrix gestation treatment.
Background technology
Cut open the palace and produce cicatrix gestation (Caesarean scar pregnancy; CSP) be a kind of specific type ectopic pregnancy; Produce cicatrix place's endometrial stroma decidua shortage or defectiveness owing to cut open the palace, because decidua basalis is damaged, trophocyte is directly invaded myometrium to the germ cell implantation in here the time when pregnant once more; Fine hair and myometrium adhesion, implant even penetrate Uterus wall, can cause massive hemorrhage and uterine rupture.Along with the rising of cuing open the palace productive rate, the incidence rate of CSP also significantly increases.
The treatment of CSP is main with conservative medication, mainly contains crystallization Radix Trichosanthis, methotrexate (MTX), mifepristone etc., and curative effect is different.Because the pregnant capsule implantation of CSP is in the cicatrix connective tissue, drug dispersion is poor, and single medicine expectant treatment mortality is high, adopts methods such as Radix Trichosanthis associating MTX intramuscular injection or mifepristone be oral more, and the course of treatment is long, and blood HCG descends slow.
At present, the more effective a kind of method of treatment CSP is to adopt the therapeutic scheme of pregnant capsule suction associating intracapsular injection MTX.This scheme operation adopts double-cavity ovum taking needle to puncture through the stomach wall uterus; Its shortcoming is that the double-cavity ovum taking needle expense is expensive and for disposable use equipment; When puncturing through the stomach wall uterus, puncture needle gets into easy damaged uterus surrounding organ behind the abdominal cavity, and the medicine thorn cut that can wear long spills and influences therapeutic effect.In order to overcome above-mentioned shortcoming, the applicant is improved to pregnant capsule implantation position with the injection site of above-mentioned therapeutic scheme, and therapeutic scheme changes to pregnant capsule suction associating implantation position injection MTX, and puncture needle gets into uterine cavity through cervix uteri under ultrasonic guidance; Thrust pregnant capsule, adjustment inserting needle direction behind the extraction capsule liquid, puncture reaches pregnant capsule implantation position, slowly injects MTX; Medicine directly acts on chorionic trophoblasts, increases local drug concentration, has promoted embryo's death; Dosage is few, and the whole body side reaction is little, and is respond well.If but used common puncture needle in the operation, then the needle point of puncture needle sharp property damage uterine mucosa of meeting and flesh layer would cause vaginal hemorrhage, influence surgical effect.
Summary of the invention
This utility model provides a kind of safety puncture injection pin to the problems referred to above, and this puncture injection pin is used for can not damaging uterine mucosa and flesh layer when pregnant capsule suction associating implantation position injection MTX treats the CSP scheme, and is safe.
Technical scheme according to this utility model: a kind of safety puncture injection pin comprises puncture needle and nook closing member; Said puncture needle comprises the puncture needle tubing of hollow and is connected the needle tubing seat of the hollow of said puncture syringe rear end that the front end of said puncture needle tubing is provided with angular cut; Said nook closing member comprises the solid needle core bar and is connected the solid needle core print seat of said nook closing member rod rear end; The front end of said nook closing member bar is provided with oblique section, and said nook closing member bar is socketed in the said puncture needle tubing and said oblique section and said angular cut are on the same plane; Said puncture needle tubing overcoat is connected to sleeve pipe, and said telescopic front end exceeds the front end of said puncture needle tubing, and said telescopic rear end has longitudinal slot.
Said telescopic front end exceeds the front end 10mm of said puncture needle tubing.The length in said slit is 30mm.Said sleeve pipe is a plastic flexible pipe.Said sleeve pipe is transparent.The length of said puncture needle tubing is more than or equal to 80mm.Said needle core base is provided with convexity, and said needle tubing seat is provided with the groove that matches with said convexity.Said puncture needle and said nook closing member are processed by rustless steel.
The technique effect of this utility model is: this utility model is used for pregnant capsule suction associating implantation position injection MTX when treating the CSP scheme; Owing to sleeve pipe is arranged at puncture needle tubing overcoat; The needle point of puncture needle tubing can not damage uterine mucosa and flesh layer, has improved the safety of operation; This utility model is simple in structure, and the puncture needle cost is low, after sterilization, can use repeatedly, can reduce the consumptive material expenditure of operation, reduces the cost of operation.
Description of drawings
Fig. 1 is the structural representation of this utility model.
Fig. 2 is the user mode figure of this utility model.
The specific embodiment
Be further described below in conjunction with the specific embodiment of accompanying drawing this utility model.
Among Fig. 1, Fig. 2, comprise sleeve pipe 1, puncture needle tubing 2, nook closing member bar 3, slit 4, needle tubing seat 5, groove 6, convexity 7, needle core base 8 etc.
As shown in Figure 1, this utility model is a kind of safety puncture injection pin, comprises puncture needle and nook closing member, and puncture needle and nook closing member are processed by rustless steel.Puncture needle comprises the puncture needle tubing 2 of hollow and is connected the needle tubing seat 5 of the hollow of puncture needle tubing 2 rear ends that needle tubing seat 5 should match with general syringe bore.The front end of puncture needle tubing 2 is provided with angular cut.The length of puncture needle tubing 2 is more than or equal to 80mm.Nook closing member comprises solid needle core bar 3 and is connected the solid needle core print seat 8 of nook closing member bar 3 rear ends.The front end of nook closing member bar 3 is provided with oblique section, and nook closing member bar 3 is socketed in the puncture needle tubing 2 and oblique section and angular cut are on the same plane.
This utility model is socketed with sleeve pipe 1 outside puncture needle tubing 2.Sleeve pipe 1 is transparent plastic flexible pipe.The front end of sleeve pipe 1 exceeds the front end of the needle tubing 2 that punctures, and the length that exceeds is preferably 10mm.The rear end of sleeve pipe 1 has longitudinal slot 4, and the length in slit 4 is preferably 30mm.Slit 4 can adopt scissor cut to form.
In addition, needle core base 8 is provided with convexity 7, and needle tubing seat 5 is provided with the groove 6 that matches with protruding 7.Needle core base 8 is connected in the groove 6 of needle tubing seat 5 through protruding 7, can guarantee that nook closing member bar 3 inserts puncture needle tubings 2 after, the oblique section of nook closing member bar 3 is on the same plane with the angular cut of puncture needle tubing 2.
When this utility model uses, under ultrasonic guidance will outside be with sleeve pipe 1 the puncture injection pin get into uterine cavity through cervix uteri, the rear end of clamping sleeve pipe 1 with operating theater instruments (small vessel forceps) when needle point reaches the site of puncture; Make sleeve pipe 1 recession, expose the needle point of puncture needle tubing 2, as shown in Figure 2; Then the needle point puncture is got into pregnant capsule, extract nook closing member, insert nook closing member again behind the extraction capsule liquid; Adjustment inserting needle direction; Extract nook closing member after puncture reaches pregnant capsule implantation position, on the needle tubing seat 5 of puncture needle, connect general syringe, slowly inject MTX.This therapeutic scheme, medicine directly acts on chorionic trophoblasts, increases local drug concentration, has promoted embryo's death, and dosage is few, and the whole body side reaction is little, and is respond well, and the art medial vagina goes out insufficiency of blood, has no adverse reaction.
When this utility model was used for pregnant capsule suction associating implantation position injection MTX treatment CSP scheme, owing to be with sleeve pipe 1 in that puncture needle tubing 2 is outer, the needle point of the needle tubing 2 that punctures can not damage uterine mucosa and flesh layer, has improved the safety of performing the operation; This utility model is simple in structure, can use the interior puncture needle transformation of the way of common amniotic cavity to form, and compares with the double-cavity ovum taking needle of costliness, can significantly reduce the consumptive material expenditure of operation; Can use (decannulation is outer) repeatedly after this utility model sterilization, further reduce the cost of operation.Pregnant capsule suction associating implantation position injection MTX treatment CSP scheme can shorten patient's hospital stays, reduces hospitalization cost, reduces adverse effect, has good society and economic benefit.
Claims (8)
1. a safety puncture injection pin comprises puncture needle and nook closing member; Said puncture needle comprises the puncture needle tubing (2) of hollow and is connected the needle tubing seat (5) of the hollow of said puncture needle tubing (2) rear end that the front end of said puncture needle tubing (2) is provided with angular cut; Said nook closing member comprises solid needle core bar (3) and is connected the solid needle core print seat (8) of said nook closing member bar (3) rear end; The front end of said nook closing member bar (3) is provided with oblique section; Said nook closing member bar (3) is socketed in the said puncture needle tubing (2) and said oblique section and said angular cut are on the same plane; It is characterized in that: the outer sleeve pipe (1) that is socketed with of said puncture needle tubing (2); The front end of said sleeve pipe (1) exceeds the front end of said puncture needle tubing (2), and the rear end of said sleeve pipe (1) has longitudinal slot (4).
2. according to the described safety puncture injection of claim 1 pin, it is characterized in that: the front end of said sleeve pipe (1) exceeds the front end 10mm of said puncture needle tubing (2).
3. according to the described safety puncture injection of claim 1 pin, it is characterized in that: the length of said slit (4) is 30mm.
4. according to the described safety puncture injection of claim 1 pin, it is characterized in that: said sleeve pipe (1) is a plastic flexible pipe.
5. according to the described safety puncture injection of claim 1 pin, it is characterized in that: said sleeve pipe (1) is transparent.
6. according to the described safety puncture injection of claim 1 pin, it is characterized in that: the length of said puncture needle tubing (2) is more than or equal to 80mm.
7. according to the described safety puncture injection of claim 1 pin, it is characterized in that: said needle core base (8) is provided with convexity (7), and said needle tubing seat (5) is provided with the groove (6) that matches with said convexity (7).
8. according to the described safety puncture injection of claim 1 pin, it is characterized in that: said puncture needle and said nook closing member are processed by rustless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204129511U CN202355651U (en) | 2011-10-26 | 2011-10-26 | Safety type puncture injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204129511U CN202355651U (en) | 2011-10-26 | 2011-10-26 | Safety type puncture injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202355651U true CN202355651U (en) | 2012-08-01 |
Family
ID=46566876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204129511U Expired - Fee Related CN202355651U (en) | 2011-10-26 | 2011-10-26 | Safety type puncture injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202355651U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263711A (en) * | 2013-03-29 | 2013-08-28 | 中国科学院深圳先进技术研究院 | Syringe needle assembly, injection device and establishment method of mouse model |
| CN104398293A (en) * | 2014-12-16 | 2015-03-11 | 厉宣英 | Combined type pregnant sac detection puncture needle and use method thereof |
| CN105477769A (en) * | 2014-09-16 | 2016-04-13 | 北京大学深圳医院 | Stem cell introduction device |
| TWI602591B (en) * | 2016-04-15 | 2017-10-21 | Yong-Ming Wang | Safety needle |
| CN107349050A (en) * | 2016-01-23 | 2017-11-17 | 王翠兰 | Auripuncture, Injection in Tympanic Cavity medical treatment device |
| CN110575572A (en) * | 2019-09-23 | 2019-12-17 | 王冬 | device for effectively preventing anastomotic leakage |
| CN110681715A (en) * | 2019-09-29 | 2020-01-14 | 苏州市美新迪斯医疗科技有限公司 | Processing method of disposable puncture needle |
-
2011
- 2011-10-26 CN CN2011204129511U patent/CN202355651U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103263711A (en) * | 2013-03-29 | 2013-08-28 | 中国科学院深圳先进技术研究院 | Syringe needle assembly, injection device and establishment method of mouse model |
| CN105477769A (en) * | 2014-09-16 | 2016-04-13 | 北京大学深圳医院 | Stem cell introduction device |
| CN105477769B (en) * | 2014-09-16 | 2019-03-15 | 北京大学深圳医院 | Stem cell gatherer |
| CN104398293A (en) * | 2014-12-16 | 2015-03-11 | 厉宣英 | Combined type pregnant sac detection puncture needle and use method thereof |
| CN107349050A (en) * | 2016-01-23 | 2017-11-17 | 王翠兰 | Auripuncture, Injection in Tympanic Cavity medical treatment device |
| TWI602591B (en) * | 2016-04-15 | 2017-10-21 | Yong-Ming Wang | Safety needle |
| CN110575572A (en) * | 2019-09-23 | 2019-12-17 | 王冬 | device for effectively preventing anastomotic leakage |
| CN110681715A (en) * | 2019-09-29 | 2020-01-14 | 苏州市美新迪斯医疗科技有限公司 | Processing method of disposable puncture needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20141026 |
|
| EXPY | Termination of patent right or utility model |